there was also a circle of uniformed law enforcement officers and gun violence victims. there was rolled out with pomp and circumstance, but did she get the message right? she, herself, admits that getting this passed will not be easy. >> if anyone asks today, can you win this? the answer is, we don't know. it's so uphill. >> uphill is right. the fact of the matter is that gun violence from assault weapons is estimated the to be between 2% and 8% of the gun crime in this country. so, is this how democrats should be spending their time? or are they overreaching and risking chances for success? roland martin joins me along with with raham slon. can this bill pass? >> look, you don't know until you actually take the effort. i think it's crazy when we say things such as, well, it's a small piece. it sort of reminds me of the federal budget, erin, when we say, well, it's only a drop in the bucket. well, every little bit helps. i don't have a problem if we have an impact on guns that could affect 2 to 8%. well, then we can deal with the next 10%, the next 20%, the next 70%. at